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NEET MDS Shorts

31975
Medicine

NIDDM, or Non-Insulin-Dependent Diabetes Mellitus (Type 2 diabetes), is primarily characterized by insulin resistance, where the body's cells do not respond properly to insulin. To compensate for this resistance and maintain normal blood glucose levels, the pancreas initially produces excess insulin, leading to increased levels of insulin in the blood (hyperinsulinemia).

91986
Prosthodontics

On examination of a patient, in the maxillary arch, posterior teeth and lateral incisors on both sides are missing. Canines are present and healthy. You would like to extract the remaining central incisors and go for an overdenture on canines.

24467
Anatomy

The nerve to masseter passes posterior to temporomandibular joint

95622
Oral Medicine

The mitral valve is crucial in preventing the backflow of blood from the left atrium to the left ventricle during systole, ensuring that blood flows in the correct direction through the heart during the cardiac cycle.

94470
Pedodontics

True pocket formation cannot occur in ANUG.

58834
NEETMDS

Vascular dementia is considered an irreversible form of dementia because it is caused by damage to blood vessels in the brain, often resulting from strokes or chronic reduced blood flow. The brain tissue that dies as a result of this damage cannot be regenerated. While treatments can manage symptoms and prevent further damage, the existing damage and associated cognitive decline cannot be reversed.

 

  • Subarachnoid hemorrhage can cause acute cognitive issues, but these are often treatable and potentially reversible, not inherently a cause of irreversible dementia in the long term.
  • Wilson's disease is a genetic disorder that causes copper to accumulate in the body, including the brain. The resulting neurological and psychiatric symptoms, including dementia, are treatable and largely reversible with timely diagnosis and appropriate therapy.
  • Normal pressure hydrocephalus is a condition where excess cerebrospinal fluid accumulates in the brain's ventricles. The symptoms, including dementia, can often be significantly improved or reversed with surgical shunting.

60992
Medicine

PEP should be started as soon as possible (preferably within 2 hours, and not later than 72 hours).

The duration is 28 days (4 weeks).

The recommended regimen is a triple-drug combination to maximize efficacy and reduce the risk of resistance.

Zidovudine (AZT) + Lamivudine (3TC): These are nucleoside reverse transcriptase inhibitors (NRTIs) and form the backbone of most HIV prophylaxis regimens.

Indinavir: A protease inhibitor, added to strengthen the regimen and provide a third mechanism of action.

Together, this triple therapy is recommended for occupational exposure to HIV-positive blood

78832
Physiology

The primary site of absorption for calcium, iron, and vitamin B12 is the jejunum, making the answer "All of the above" correct.

15756
Dental Materials

For permanent deformation following strain in compression, ranking is mentioned below:

Polysulfide > polyethers > condensation silicone > addition silicone

17585
INI CET

In the posterior maxilla, implants typically require a wider diameter (around 5 mm) to withstand the greater occlusal forces and to provide a better emergence profile for the restoration. The length is often shorter due to sinus proximity, and specific distances from adjacent structures are general guidelines, not a universal "truth" for all cases.

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